**6. Conclusion**

LAB are of great importance in the food industry for the preparation of fermented foods, in addition to being widely used as probiotics to regulate the intestinal microbiota in animals and humans. However, it is important to carry out the appropriate tests to identify the presence of antibiotic resistance genes that can be transferred horizontally to other microorganisms, whether pathogenic or those present in the gastrointestinal microbiota, which can cause a health problem because of the continuous exposure to the environmental conditions that favor the resistance spread that threats the public health and the food production.
